JP3516056B2 - Rotary lift-up construction method for dome roof - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention constructs a large space dome roof structure having a curved shape, particularly a dome roof having a height of several tens of meters above ground, by performing as much ground level assembly work as possible. The rotary lift-up construction method.

[0002]

2. Description of the Related Art Conventionally, a construction method of a large space dome roof structure (for example, a length in the major axis direction is 180 meters and a height of the roof is 50 meters above ground) as shown in FIG. As a summary, the following are known. I) A large number of temporary gantry structures, generally called vents, are installed under the plane of the dome roof from the ground to the height of the roof as shown in Fig. 11, and the structural material of the roof structure is carried by a large lifting machine (truck crane, etc.) loaded on the ground. Alternatively, the structural unit assembled to some extent is hoisted on a gantry, and a worker on the gantry advances the assembling work at a high place while maintaining the same shape as the completed roof. Then, after the roof is completely assembled, the temporary gantry is sequentially removed from the end positions to form a large space. II) A traveling method in which a large space dome roof structure is divided into several blocks, assembled, placed on a traveling rail installed on the upper part of the frame around the structure, and constructed by sequentially pulling laterally with a traction device. III) A push-up method that assembles a large space dome roof structure near the ground and pushes it up to a predetermined height to install it. IV) In constructing a pop-out roof, dome-shaped roof, or kamaboko-shaped roof, the eaves-side end of the roof structure material is rotatably supported, and the ridge-side end is grounded to a low position in a low position. Assembling, and then raising the ridge side end with a tension member, or hoisting with a crane, lift, etc. and fixing with a predetermined roof slope (see Japanese Patent Publication No. 5-83705). V) When constructing a large-span steel dome with a circular flat surface such as a baseball field, the fan-shaped dome blocks equally divided in the circumferential direction are assembled on a low gantry and the yagura erected in the center is used. A method of pulling up the central portion of each dome constituent block to complete a dome shape (JP-A-3-697).
No. 40).

[0003]

The construction method of I) above has the following problems. Since most of the work for roof construction is done at high places, there is a high degree of danger and work efficiency is poor. Preparing a huge amount of safety equipment,
It requires measures against strong winds and the construction costs are high due to the high temporary costs. Since a large lifting machine applicable to lifting work with a height of several tens of meters above the ground is required, the machine cost becomes high. A large number of temporary pedestals equal to the height of the roof are installed on the ground below the plane of the roof, occupying a large space of the construction site for a long time, which hinders roof construction work and reduces work efficiency. Let Moreover, the construction of other structures in the space of the large space structure requires a long construction period since it is a work after the temporary gantry is removed.

Next, the construction methods of II) and III) have the following problems. To maintain the curved shape of the large space dome roof,
It is necessary to restrain the excessive horizontal force generated by the deformation of the structure at each support point of the structure. However, in both methods II) and III), since the supporting points move, it is very difficult to implement a means to restrain the horizontal force.
After all, the technology to build a dome roof with high precision is not yet established.

Next, the above method IV) has the following problems. In the case of a method of causing a roof structural member that is rotatably supported and assembled by inclining to the front downward with a tension member (see FIGS. 1 and 3 of the publication), an excessive pulling force is required. , Large-scale implementation is very difficult. Further, in the case of a method of hoisting with a crane (see FIG. 4 of the same publication), it is difficult to control the crane boom so as to displace the hoisting point in the horizontal direction in synchronization with the rotation trajectory of the roof structural material. , Work accuracy and efficiency are poor.

Next, the above method V) has the following problems. When pulling up the central portion of the dome building block, a problem is how to reliably support the peripheral end of the fan-shaped dome building block so as to withstand the supporting reaction force. When the position of this peripheral side end is unchanged, unless measures are taken to eliminate the horizontal displacement included in the rotation trajectory when pulling up the center of the dome roof building block, the center of the finished dome roof will be affected. There is the inconvenience that a large vacant space is created and it is troublesome to complete the supplementary work.

Therefore, an object of the present invention is to make it possible to assemble a large space dome roof safely at a low place as much as possible, to reduce the number of temporary objects, to realize resource saving and temporary installation, and It is to secure the accuracy of and reduce the construction period.

[0008]

[Means for Solving the Problems] As means for solving the above-mentioned problems of the prior art, the rotary lift-up construction method for a dome roof according to the invention of claim 1 is a semi-cylindrical kamaboko type whose plane shape is line symmetrical. According to this, the framework of a large space dome roof with a curved surface is divided into two blocks that are divided into two lines at the line-symmetrical position of the dome roof, and each block rotates horizontally on the lower surface side of the skeleton side end in the symmetry line direction. Install the lift-up gantry at the stage of assembling at the ground level while being supported by the shaft, and in an arrangement that does not interfere with the two blocks and along the dividing line in the center of the roof. At a position higher than the height of the final installation position of the center side end, the horizontal displacement of the arc locus drawn by the center side end when each block rotates around the rotation axis and at least Installing a slide frame that horizontally moves with a stroke of the same length, and installing a lifting device for the block on this slide platform, and connecting the lifting material of the lifting device to the center side end of the preceding block to lift the lifting device. Drive the same block to rotate the block about its rotation axis, lift up the center side end, and move the slide mount in the same direction in synchronization with the horizontal displacement of the center side end. The step of supporting the end on the body side of the outer peripheral body and fixing the end on the center side to the final installation position,
Then, the assembly of other blocks is completed, the suspending material of the lifting device is connected to the center side end of the block, the lifting device is driven in the same manner as described above, and the slide mount is synchronously moved to rotate the block on the rotary shaft. While rotating to the center, lift up the center side end, make the skeleton side end of the block supported on the outer skeleton, match the center side end with the center side end of the preceding block at the final installation position, both And a step of integrally joining the blocks.

According to the rotary lift-up construction method for a dome roof according to the second aspect of the present invention, the framework of a large space dome roof having a circular or elliptical curved surface shape is divided into a plurality of blocks, and particularly for the central portion of the dome roof. At the ground level, a block that has the maximum width in the meridian direction and is divided into two in the latitudinal direction at the roof center part is supported by a horizontal rotating shaft in the meridional direction on the lower surface side of each body side end. At the stage of assembling, the lift-up gantry is installed in an arrangement that does not interfere with the two blocks and along the dividing line in the center of the roof, and the lift-up gantry has the final installation position of the center side end of each block. When the block rotates about the rotation axis, it moves horizontally to a position higher than the height with a stroke of at least the same length as the horizontal displacement amount of the arc locus drawn by the center side end. Established the ride platform, comprising: installing a lifting device of the block to the slide frame,
The hanging material of the lifting device is connected to the center side end of the preceding block, the lifting device is driven to rotate the block around its rotation axis to lift up the center side end, and the center side end. The slide frame is moved in the same direction in synchronism with the horizontal displacement of the section, the end of the block on the skeleton side is supported by the outer skeleton, and the end on the center side is fixed at the final installation position, and then following. Completing the assembly of the block, the hanging material of the lifting device is supported on the outer frame of the block side end of the block, connected to the center side end, drives the lifting device in the same manner as above, and slides. The center end of the block is lifted up while rotating the block around the rotation axis by moving the gantry synchronously, and the center end of the block is aligned with the center end of the preceding block at the final installation position. A step of integrally joining the two blocks, roof of the residual assembled temporary gantry from the ground,
It is characterized in that it comprises a step of performing on-site assembly on a temporary gantry.

The invention according to claim 3 relates to the invention according to claim 2, prior to the step of lifting up the block assembled at the ground level, the body side end and the center side end are provided on the lower surface side of the block. The pulling wire for holding the shape to be tied is installed in an appropriate tension state like the string of a bow, and the shape holding auxiliary device is installed at the outer peripheral position along the end on the body side, and the shape holding auxiliary device is suspended. It is characterized in that the material is connected to the body-side end of the block, and the operation of preventing deformation of the body-side end is performed in synchronization with the lift-up of the block.

[0011]

[Operation] Since each block is assembled at a low level work on the ground level, the risk is low and the work efficiency is good.
Even in the case of the circular or elliptical dome roof of claim 2, about 70% is ground level assembly work. The horizontal displacement included in the rotation trajectory when lifting up the center side end of each block can be completely accommodated by the control for synchronously moving the slide base equipped with the lifting device.
As a result, excessive stress or bending is not applied to the lifted-up block, and careless deformation does not occur.

Since a plurality of blocks are sequentially lifted up one by one, each block is sequentially assembled so that the end point of the rotation locus of the center side end portion is exactly the joining position of the dome roof with the position of the rotation axis as the base point. Can be completed and done. By adopting this lift-up method, the temporary gantry for assembling the blocks becomes short, and the number can be reduced to a significantly small number, and the removal can be done in parallel with the lift-up, so the construction period can be shortened.

Even if the frame of the dome roof has a truss structure, it is difficult to maintain the dome shape by itself, and there is a possibility that the skeleton of the dome roof may be distorted due to the lifting and raising force during lift-up. This can be prevented by a shape-holding pulling wire and a shape-holding assist device.

[0014]

EXAMPLE An example of the present invention shown in the drawings will be described below.
As shown in FIG. 2, the planar shape is an elliptical shape, and in the large space dome roof of the completed drawing as shown in FIG. 1, two roof blocks designated by reference numerals 1 and 2 in FIG. 2 are shown in FIG. The case where the construction is carried out by the rotary lift-up construction method of the essential point will be described below. By the way, the two blocks 1 and 2 shown in FIG. 2 are arranged such that the central portion of the large space dome roof having an elliptic curved surface is first subjected to the rotary lift-up method in the meridional direction which is the vertical direction of FIG. 2 has a width W, and is divided into left and right at the center of the roof in the latitudinal direction which is the left and right direction in FIG. These two blocks 1 and 2 occupy about 70% of the entire dome roof. As shown in FIG. 3, the two blocks 1 and 2 have a proper height H on the lower surface side of the ends of the body side ends (the side of the outer peripheral body 8) corresponding to the left and right ends of each of them. Assembling at the ground level is performed while being supported by the rotating shaft 4 which is horizontal in the meridian direction on the bearing stand 3 provided. The rotation shaft 4 is not a length over the entire width W of the block as shown in FIG. 2, but a length of 1/3 on both sides, for example, so long as it does not hinder the support of the block 1 or 2 during the rotary lift-up. It is installed in. This is because it is technically very difficult to accurately provide the rotary shaft 4 over the entire width W of the block. Therefore, technically the rotary shaft 4
Of course can be installed over the entire width W, of course. As described above, each of the blocks 1 and 2 is supported by the rotary shaft 4 located at a constant height H above the ground so that the end on the skeleton side can only rotate at a fixed position during lift-up. The intention is to make the rotational movement of the body-side end part common and smooth it so that at least the body-side end part does not become unrotatable because of being stuck on the outer peripheral body and the ground.
Blocks 1 and 2 to meet the above support conditions
The size of the width W is determined. In order to improve the construction efficiency, it is desirable that the width W of the block be as large as possible. The height H of the rotary shaft 4 is also the height at which the end on the skeleton side is just supported by the outer peripheral skeleton 8 when the ends on the center side of the blocks 1 and 2 are lifted up to the final installation position (Fig. 9).

FIGS. 4 to 6 further embody FIG. 3 to assemble two blocks 1 and 2 for constructing a dome roof at the ground level, and utilize these two blocks 1 and 2 with a lift-up gantry 5. The steps of the sequential rotary lift-up are shown in order of process. For the assembly work of the blocks 1 and 2, a plurality of temporary gantry (ground gantry) 6 is installed on the ground at a height and arrangement that does not hinder the assembly of the curved block of the dome roof, and the worker is placed on the temporary gantry 6. A worker climbs or climbs into a general-purpose aerial work vehicle and lifts a roof material or a roof unit erected above the ground with a small lifting machine carried on the ground to proceed with the assembly work. As the roof structural material, a structural steel material (shaped steel), or a wooden board, a laminated wood formed by laminating a small square wood into a square wood and a thick board by aligning the fiber direction in the longitudinal direction and stacking them with an adhesive, It is assembled into a lithographic three-dimensional truss structure that is lightweight and has high strength and rigidity. FIG. 4 shows a stage where the assembly of the block 2 on the left side in the figure which is lifted up in advance is completed. In parallel with the assembly of each block, temporary construction of the lift-up gantry 5 is also advanced.

As for the installation of the lift-up gantry 5, in plan view, as shown in FIG. 2 as an example of the arrangement of the temporary columns 5a, each block is installed along the dividing line between the above-mentioned two blocks 1 and 2 of the dome roof. Arrange to avoid interference. In this case, the planar shapes of the blocks 1 and 2 are also configured so as to avoid interference by providing a recessed portion 7 that avoids the position of the lift-up gantry 5. Also,
As seen from the elevation view of FIG. 3, the lift-up gantry 5 has a height at the final installation position of the central side end portion in the rotary lift-up centered on the rotation axis 4 of each block 1 and 2 (in the embodiment, Temporary stanchions 5a that are several meters higher than about 50m above the ground,
In the direction of the latitude line, a distance (specifically, about 8 m) longer than the horizontal displacement amount (about 8 m) of the arc locus (see reference numerals 16 and 18 in FIG. 3) drawn by the center side end of the block during the rotary lift-up. About 18 m) are installed at symmetrical positions apart from each other. The above-mentioned pairs are also installed four in an even arrangement along the dividing line when viewed in the plane direction of FIG. At the upper end of the temporary columns 5a, 5a located symmetrically and at a position slightly higher than the final installation position of the center side end of the rotary lift-up of each block around the rotation axis 4, The connecting member 5b is installed. A slide frame 10 that moves in the horizontal direction is installed on the head connecting member 5b, and the block lifting device 9 is mounted on the slide frame 10.

7 and 8 show the details of the structures of the slide base 5b and the lifting device 9. As shown in FIG. 5 at the center of the upper surface of the upper chords on the left and right of the head truss 5b of the box truss structure
A slide mount 10 on which a rail 11 of 0 mm square is laid and equipped with an oilless plate 12 that rides on the rail 11.
Is installed. However, instead of the oilless plate, a slide shoe made of Teflon (registered trademark), a special alloy, or the like, or a wheel may be used. A lifting device 9 having a center hole jack structure is installed vertically downward on both left and right ends of the slide base 10 (FIG. 8), and a wire rope 9a having a diameter of about 50 mm used as a hanging material driven by the lifting device 9 is installed. A suspending tool 9b at the lower end is adapted to suspend the corresponding portion of the block 1 or 2. However, the lifting device may be a winch or the like. The reaction force receiving brackets 14 are symmetrically arranged at both longitudinal ends of the upper chord member of the head connecting member 5b,
14 are fixed (FIG. 7), the tow jacks 13 having a center hole jack structure are installed inwardly facing each other, and the other end of the tow rod 15 driven by each tow jack 13 is connected to the rail 11. It is directly connected to the slide mount 10 in a parallel arrangement. However, instead of the tow jack 13, a traveling system using a winch or a rack and pinion mechanism, or a traveling system using direct drive of wheels can be implemented.

FIG. 5 shows a rotary lift-up of the block 2 on the left side of the drawing, and a lifting device 9 for the lift-up gantry 5.
Shows the stage where the rotary shaft 4 at the left end (end on the skeleton side) is advanced to the upper limit. A circular arc arrow 16 in the figure is a rotation locus of the center side end of the block 2. According to the horizontal displacement included in the rotation locus 16, the slide base 10 and the lifting device 9 are sequentially moved from the right side position in the drawing to the left side, and the towing jack 13 positioned on the left side in FIG.
Is driven to move horizontally on the rail 11 in synchronization with the horizontal displacement amount. Therefore, it is possible to prevent a bending action or a local excessive stress caused by the lifting force from acting on the block 2 that is rotationally lifted up around the rotating shaft 4 and prevent the block 2 from being distorted or deformed. Careful construction is performed. At this time, the traction jack 13 on the opposite side has the center hole mechanism fully opened (non-driven state). Since the hanging wire rope 9a has sufficient flexibility (flexibility), the horizontal tuning movements of the slide base 10 and the lifting device 9 need only be roughly accurate.

Prior to the rotary lift-up,
On the lower surface side of the block 2, a pulling wire 17 for holding a shape that connects the body-side end portion and the center-side end portion in the latitudinal direction is installed like a chord of a bow in a state in which a tension necessary to hold the shape is applied. Therefore, the shape of the block 2 assembled into the curved dome roof structure in a substantially completed state is held so as to withstand the lifting force of the rotary lift-up. At the stage where the pulling wire 17 lifts up the central end of the block 2 to the final installation height position as shown in FIG. 6 and temporarily mounts it on the temporary support column 5a of the lift-up gantry 5. Will be removed. The temporary gantry 6 used for the ground level assembly of the block 2 is dismantled and removed in parallel from the stage where the lift-up work has advanced to some extent (see FIGS. 5 and 6). In this case, since the block is lifted up and the sky is wide, workability is good and dismantling and removal can be done in a short time.

In FIG. 6, after temporarily fixing the central end of the block 2, the ground level assembly of the block 1 on the right side of the figure is completed (the difference in length between the blocks 1 of FIGS. 4 and 5 and FIG. 6). ), And the initial stage in which the block 1 is rotary lifted up by the slide base 10 on the lift-up gantry 5 and the lifting device 9. Reference numeral 18 in the figure
Is the rotation locus of the central end of the block 1. The lifting device 9 is attached to the horizontal displacement included in the rotation locus 18.
In order to synchronize the positions, the slide base 10 is started horizontally from the left position in FIG. 6 and is horizontally moved sequentially to the right by the tow jack 13 on the right side in FIG. At this time, the towing jack 13 on the opposite side is fully opened (non-driven state) of the center hole mechanism.

Thus, after the central end portions of the two blocks 1 and 2 are lifted up to the final installation height position as shown by the solid line in FIG. 3, the central end portions of the respective blocks are aligned and lifted up. The rotary lift-up is completed by advancing the work of integrally joining the blocks 1 and 2 on the gantry 5. After that, the lift-up gantry 5 which is no longer needed is removed. In addition, the frame side end of each of the blocks 1 and 2 is supported by the outer peripheral frame 8 as shown in FIG. 9 at the stage when the respective lift-ups are completed, and is supported by the rotary shaft 4 to be reshuffled and then rotated. Dismantle and remove the shaft 4 and the bearing base 3.

By the way, the rotary shaft 4 of each block 1, 2
, Is installed in a length of 1/3 W on each side of the overall width W of the body side end, even if the block is assembled into a lithographic three-dimensional truss structure that is lightweight, strong, and has high rigidity as described above, It is very difficult to maintain the curved shape of the block (dome roof shape) against a large acting force when hoisting it by the lifting device 9 of the lift-up gantry 5. Therefore, in the present invention, as shown in FIG. 9 and FIG. 10, the shape is maintained along the ends of the blocks 1 and 2 on the skeleton side, more specifically, in the range Y where the rotary shaft 4 does not exist in FIG. An auxiliary device 20 is installed. The details of the configuration of the shape retention assisting device 20 are shown in FIG. Two lift-up jacks (center hole jacks) 23, 23 are installed vertically downward at left and right positions of a reaction table 22 supported at both ends by columns 21, and the two lift-up jacks 2
One wire 24 driven by 3 is used for the reaction table 22.
The four fixed sheaves 25 hung on the lower surface of and the four movable sheaves 27 mounted on the upper surface of the hanging frame 26 are wound in order in the vertical and horizontal directions. Therefore, when the two lift-up jacks 24 synchronously pull up or lower the wire 24, the suspension frame 26 moves up and down at a slow speed. Since the position of the rotating shaft 4 supporting each block is extremely deviated from the end on the body side, the rotation speed of the end on the body side is several tens or several with respect to the lift-up speed of the end on the center side. This is because one-hundredth is enough. The suspension frame 26 is connected to a structural material in a range Y where the rotary shaft 4 does not exist at the end of the block on the body side, and the lift-up jack 23 and the wire 24 are directed downward in parallel with the rotary lift-up of the block. The structure is operated so as to be drawn out, and an appropriate tensile force is applied to the structural material portion to obtain the effect of shape retention. A winch may be used instead of the lift-up jack.

After the lift-up and integral joining of the two blocks 1, 2 have been completed as described above, the roof part 29, 30 (remaining roof block) of the roof in FIG. 2 is assembled in the field. When assembling this site, install a temporary gantry equal to the height of the roof from the ground,
A worker climbs on this temporary gantry, or a worker rides on a general-purpose aerial work vehicle, and supplies a roof structure material or a unit assembled to a certain size to the above-mentioned workers by a small lifting machine on the ground. Assembly will proceed to the curved shape of the dome roof. In this case, since the height of the roofs of the blank portions 29 and 30 is about 25 meters at the maximum, the work can be sufficiently performed by using a small lifting machine or an aerial work vehicle, and the work efficiency is not lowered.

When the dome roof has a semi-cylindrical curved surface shape or a plane shape with symmetry corresponding thereto, two roof blocks whose line-symmetric positions are divided are grounded at the ground level, and 100% of the roof can be constructed by implementing the rotary lift-up having the contents described above.

[0025]

The rotary lift-up construction method for a dome roof according to the present invention makes it possible to assemble most of a large space dome roof on a temporary gantry at a low ground level. By using ordinary (small) hoisting machines and general-purpose aerial work vehicles, highly safe construction work can be carried out, work efficiency can be improved, and cost reduction can be achieved. After the rotary block is lifted up from the roof block assembled at the ground level, the temporary gantry can be removed in a place where the sky is sufficiently wide, so workability is good and the dismantlement and removal can be done in a short time. Moreover, the number of temporary gantry and lift-up gantry can be reduced, and the installation period can be shortened, which is economical.

The construction is carried out by a rotary lift-up in which the end portion on the side of the frame is supported by a rotary shaft whose position is fixed. Since the support point by the rotary shaft is immovable and only the rotary motion is free and no bending action is caused, It is easy to restrain the horizontal force due to deformation, and it is easy to ensure the accuracy of the entire block.
Moreover, during lift-up, the position of the hoisting device is moved horizontally in the same direction as it is synchronized with the horizontal displacement of the block's rotational trajectory, so the hoisting force is always a vertical component without causing excessive stress or bending on the block. It is possible to prevent distortion and deformation of the entire block.

[Brief description of drawings]

FIG. 1 is a perspective view of a dome roof structure in a completed state.

FIG. 2 is a plan view showing an example of blocking the roof of a dome roof structure.

FIG. 3 is an elevational view showing the procedure of rotary lift-up of a block assembled at the ground level.

FIG. 4 is an elevational view showing how to assemble the blocks on the ground level.

FIG. 5 is an elevational view showing the procedure of rotary lift-up of the preceding block assembled at the ground level.

FIG. 6 is an elevational view showing the procedure of rotary lift-up of the trailing block assembled at the ground level.

FIG. 7 is a front view showing details of an upper portion of a lift-up gantry.

FIG. 8 is a side view showing details of an upper portion of a lift-up gantry.

FIG. 9 is a front view showing an installation example of the shape retention assisting device.

FIG. 10 is a front view showing details of the configuration of the shape retention assisting device.

FIG. 11 is a cross-sectional view showing an example of construction of a dome roof structure by a conventional method.

[Explanation of symbols]

One or two blocks 4 rotation axes 5 Lift-up gantry 16 arc locus 18 circular locus 10 slide mount 9 Lifting device 17 Pull Wire 20 Shape retention auxiliary device

Front page continuation (72) Inventor Yasuhiro Abe 3-43-3, Kokubuncho, Aoba-ku, Sendai City Takenaka Corporation Tohoku Branch (72) Inventor Yuichi Kobayashi 3-43-3, Kokubuncho, Aoba-ku, Sendai City Incorporated company Takenaka Corporation Tohoku Branch (72) Inventor Kan Kadowaki 3-433 Kokubuncho, Aoba-ku, Sendai City Incorporated Takenaka Corporation Tohoku Branch (72) Inventor Shinichi Matsui Aoba-ku, Sendai City Kokubuncho 3-43-3 Incorporated company Takenaka Corp. Tohoku Branch (72) Inventor Akira Tsubota 8-21, Ginza 8-chome, Chuo-ku, Tokyo Incorporated Takenaka Corp. Tokyo Main Store (72) Inventor Noboru Nishigaki 1-13-15 Kitaotsuka, Toshima-ku, Tokyo Within Miyaji Construction Industry Co., Ltd. (56) Reference JP 61-36434 (JP, A) JP 60-3339 (JP, A) JP 3 −69740 (JP, A) (58) Fields surveyed (Int.Cl. ⁷ , DB name) E04B 1/32 101 E04B 1/32 102 E04B 1/35 E04B 7/08 E04G 21/14

Claims (3)

(57) [Claims] 1. A framework of a large space dome roof whose plane shape is line-symmetrical or a curved surface corresponding to this is divided into two blocks at line-symmetrical positions of the dome roof, and divided into two blocks. Is assembled at the ground level with the lower side of the skeleton side end supported by a horizontal rotation axis in the symmetry line direction, and in an arrangement that does not interfere with the two blocks and along the dividing line in the center of the roof. A lift-up gantry is installed, and the lift-up gantry is located at a position higher than the height of the final installation position of the center-side end of each block, and when each block rotates about the rotation axis, the center-side end Install a slide mount that moves horizontally with a stroke of at least the same length as the horizontal displacement of the arc trace drawn by, and install the block lifting device on this slide mount. The hanging material of the lifting device is connected to the center side end of the preceding block, the lifting device is driven to rotate the block around its rotation axis to lift up the center side end, and the center side end. Moving the slide base in the same direction in synchronization with the horizontal displacement of the block, supporting the end of the block on the skeleton side on the outer skeleton, and fixing the end on the center side to the final installation position, and then another block. Of the lifting device is connected to the central end of the block, the lifting device is driven in the same manner as described above, and the slide base is synchronously moved to rotate the block around the rotation axis. While lifting up the center side end, the skeleton side end of the block is supported by the outer skeleton, and the center side end matches the center side end of the preceding block at the final installation position, and both blocks are integrated. Rotary lift-up construction method of the dome roof, characterized the steps of bonding, in that it consists of a. 2. A frame of a large space dome roof having a circular or elliptic curved surface is divided into a plurality of blocks, and particularly, a central portion of the dome roof has a width as long as possible in a meridian direction and a roof in a latitudinal direction. Assembling the block divided into two parts at the central part at the ground level with the lower surface side of each body side end supported by a horizontal rotating shaft in the meridian direction, and an arrangement that does not interfere with the two blocks and the roof The lift-up gantry is installed along the center dividing line, and the block rotates around the rotation axis at a position higher than the final installation position of the center side end of each block on the lift-up gantry. Install a slide stand that horizontally moves with a stroke of at least the same length as the horizontal displacement of the arc locus drawn by the center side end, and suspend the block on the slide stand. Installing the device and connecting the suspension material of the lifting device to the center end of the preceding block, driving the lifting device to rotate the block around its rotation axis and lift up the center end. In addition, the slide base is moved in the same direction in synchronism with the horizontal displacement of the center side end, the skeleton side end of the block is supported by the outer skeleton, and the center side end is fixed at the final installation position. Then, the assembling of the trailing block is completed, the suspending material of the lifting device is connected to the central end of the block, the lifting device is driven in the same manner as described above, and the slide mount is moved synchronously. The center side end is lifted up while rotating the block around the rotation axis, the skeleton side end of the block is supported by the outer skeleton skeleton, and the center side end is the center side end of the preceding block at the final installation position. Rotating the dome roof characterized by the following steps: joining the two blocks together, assembling the two blocks together, assembling the temporary roof from the ground, and performing on-site assembly on the temporary roof. Type lift-up construction method. 3. Prior to the step of lifting up the block assembled at the ground level, a pulling wire for maintaining the shape connecting the end on the body side and the end on the center side is appropriately attached to the lower surface side of the block like a bowstring. It is installed in a different tension state, and a shape retention auxiliary device is installed at the outer peripheral position along the body side end part, and the hanging material of this shape retention auxiliary device is connected to the block side end part of the block to lift the block. The rotary lift-up construction method for a dome roof according to claim 2, wherein an operation for preventing the deformation of the body side end portion is performed in synchronization with the up movement.